AMD Phenom II X4 975 BE vs Intel Core 2 Extreme X7900
Physical Specifications
| Socket | AMD Socket AM3 | Intel Socket P |
|---|---|---|
| Process size | 45 nm | 65 nm |
| Transistors | 758 million | unknown |
| Die size | 258 mm² | 143 mm² |
| Package | µPGA | FC-PGA |
| Foundry | — | Intel |
Performance
| Frequency | 3.6 GHz | 2.8 GHz |
|---|---|---|
| Turbo clock | — | — |
| Base clock | 2000 MHz | 200 MHz |
| Multiplier | 18.0x | 14.0x |
| Multiplier unlocked | Yes | No |
| Voltage | 1.4 V | 1.3 V |
| TDP | 125 W | 44 W |
Architecture Details
| Vertical Segment | Desktop | Mobile |
|---|---|---|
| Production status | End-of-life | End-of-life |
| Release date | Jan 4th, 2011 | Aug 1st, 2007 |
| Codename | Deneb | Merom XE |
| Generation | Phenom II X4 | Core 2 Extreme |
| Part | HDZ975FBK4DGMHDZ975FBGMBOX | SLAF4SLA33 |
| Memory support | DDR3 Dual-channel | DDR1 |
| ECC memory | No | No |
| PCI Express | Gen 2 | — |
Cores
| Total Cores | 4 | 2 |
|---|---|---|
| Total Threads | 4 | 2 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 128K (per core) | 64K |
|---|---|---|
| Cache L2 | 512K (per core) | 4MB |
| Cache L3 | 6MB (shared) | — |
Notes
| Notes | This processor comes with an unlocked base clock multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. It is branded under the Black Edition label. | — |
|---|
Features & Technologies
| 3DNow! | Yes | — |
|---|---|---|
| AMD-V | Yes | — |
| AMD64 | Yes | — |
| EIST | — | Yes |
| Intel 64 | — | Yes |
| MMX | Yes | Yes |
| NX bit | Yes | — |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4A | Yes | — |
| SSSE3 | — | Yes |
| TXT | — | Yes |
| VT-x | — | Yes |
| XD bit | — | Yes |
| iAMT2 | — | Yes |
